Brewer's: Stovepipe Hat
(A). A chimney-pot hat (q.v.).
“High collars, tight coats, and tight sleeves were worn at home and abroad, and, as though that were not enough, a stovepipe hat was worn.” —Illustrated Sporting and Dramatic News, September, 1891.
Source: Dictionary of Phrase and Fable, E. Cobham Brewer, 1894